Получение Cookies по HttpWebRequest

using System;
using System.IO;
using System.Net;
using System.Text;
using System.Data;
using System.Drawing;
using System.Threading;
using System.Windows.Forms;
using System.ComponentModel;
using System.Collections.Generic;
 
namespace FastDoorSaw
{
    public partial class Form1 : Form
    {
        public HttpWebRequest request;
        public HttpWebResponse response;
        public string SomeText_2;
        public byte[] byteArray;
        public Stream netStream;
        public string SomeText;
 
        public Form1()
        {
            InitializeComponent();
        }
 
        private string GetCook(string getmail, string getpass, string gethost)
        {
            string remixcook = "fail =(";
            try
            {
                request = (HttpWebRequest)WebRequest.Create(new Uri("http://" + gethost));
                request.AllowAutoRedirect = false;
                request.UserAgent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; ru) Opera 8.50";
                request.ContentType = "application/x-www-form-urlencoded; charset=UTF-8";
                request.Accept = "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8";
                request.Method = "GET";
                request.CookieContainer = new CookieContainer();
                response = (HttpWebResponse)request.GetResponse();
                SomeText = new StreamReader(response.GetResponseStream(), Encoding.GetEncoding("windows-1251")).ReadToEnd();
 
                ////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
                request = (HttpWebRequest)WebRequest.Create(new Uri("https://login." + gethost + ":443/?act=login"));
                SomeText_2 = "act=login&q=1&al_frame=1&expire=&captcha_sid=&captcha_key=&from_host=" + gethost + "&ip_h=" + SomeText.Substring(SomeText.IndexOf("ip_h: '") + 7, 18) + "&email=" + getmail + "&pass=" + getpass;
                request.Headers.Add("DNT", "1");
                request.Headers.Add("Accept-Encoding", "gzip, deflate");
                request.Headers.Add("Accept-Charset", "windows-1251,utf-8;q=0.7,*;q=0.7");
                request.Method = "POST";
                request.Referer = "http://" + gethost + "/al_index.php?act=auth_frame";
                byteArray = Encoding.UTF8.GetBytes(SomeText_2);
                request.ContentLength = byteArray.Length;
                Stream dataStream = request.GetRequestStream();
                dataStream.Write(byteArray, 0, byteArray.Length);
                dataStream.Close();
                request.AllowAutoRedirect = true;
                response = (HttpWebResponse)request.GetResponse();
                SomeText = new StreamReader(response.GetResponseStream(), Encoding.GetEncoding("windows-1251")).ReadToEnd();
 
                foreach (Cookie c in response.Cookies)
                {
                    remixcook += "\r\n" + c.Name + " " + c.Value;
                }
            }
            catch (Exception lol)
            {
                MessageBox.Show(lol + "");
            }
            return remixcook;
        }        
 
        private void button1_Click(object sender, EventArgs e)
        {
            MessageBox.Show(GetCook("моёмыло%40gmail.com", "пароль", "vk.com"));
        }
    }
}

request = (HttpWebRequest)WebRequest.Create(new Uri("http://" + gethost + "/login.php?act=login&q=1&al_frame=1&expire=&captcha_sid=&captcha_key=&from_host=" + gethost + "&ip_h=" + SomeText.Substring(SomeText.IndexOf("ip_h: '") + 7, 18) + "&email=" + getmail + "&pass=" + getpass));
request.Method = "POST"; //GET тоже побывал
request.AllowAutoRedirect = true;
response = (HttpWebResponse)request.GetResponse();
remixcook += "\r\n" + response.GetResponseHeader("Location");
foreach (Cookie c in response.Cookies)
                {
                    remixcook += "\r\n" + c.Name + " " + c.Value;
                }

captcha_sid=&captcha_key=